Samsung S5PC100, User Manual, Page: 884 / 1863

S5PC100 USER’S MANUAL (REV1.0) USB2.0 HS OTG
8.10-41
8.2.18 Host Periodic Transmit FIFO Size Register (HPTXFSIZ, R/W, Address = 0xED20_0100)
This register holds the size and the memory start address of the Periodic TxFIFO.
HPTXFSIZ Bit Description R/W Reset Value
PTxFSize [31:16] Host Periodic TxFIFO Depth
This value is in terms of 32-bit words
•
Minimum value is 16
•
Maximum value is 6144
A new value must be written to this field. Programmed values
must not exceed the Maximum value.
R/W 16'h0300
PTxFStAddr [15:0] Host Periodic TxFIFO Start Address
The power-on reset value of this register is sum of the
Largest Rx Data FIFO Depth and Largest Non
−
Periodic Tx
Data FIFO Depth specified.
If you have programmed new values for the RxFIFO or Non-
Periodic TxFIFO, write their sum in this field. Programmed
values must not exceed the power-on value.
R/W 16'h5A00